mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
440 lines
16 KiB
Go
440 lines
16 KiB
Go
// +build !windows
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package main
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import (
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"fmt"
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"strconv"
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"strings"
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"syscall"
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"time"
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"github.com/docker/docker/api/types/swarm"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/docker/docker/integration-cli/daemon"
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"github.com/go-check/check"
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)
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func setPortConfig(portConfig []swarm.PortConfig) daemon.ServiceConstructor {
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return func(s *swarm.Service) {
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if s.Spec.EndpointSpec == nil {
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s.Spec.EndpointSpec = &swarm.EndpointSpec{}
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}
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s.Spec.EndpointSpec.Ports = portConfig
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}
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}
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func (s *DockerSwarmSuite) TestAPIServiceUpdatePort(c *check.C) {
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d := s.AddDaemon(c, true, true)
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// Create a service with a port mapping of 8080:8081.
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portConfig := []swarm.PortConfig{{TargetPort: 8081, PublishedPort: 8080}}
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serviceID := d.CreateService(c, simpleTestService, setInstances(1), setPortConfig(portConfig))
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 1)
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// Update the service: changed the port mapping from 8080:8081 to 8082:8083.
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updatedPortConfig := []swarm.PortConfig{{TargetPort: 8083, PublishedPort: 8082}}
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remoteService := d.GetService(c, serviceID)
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d.UpdateService(c, remoteService, setPortConfig(updatedPortConfig))
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// Inspect the service and verify port mapping.
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updatedService := d.GetService(c, serviceID)
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c.Assert(updatedService.Spec.EndpointSpec, check.NotNil)
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c.Assert(len(updatedService.Spec.EndpointSpec.Ports), check.Equals, 1)
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c.Assert(updatedService.Spec.EndpointSpec.Ports[0].TargetPort, check.Equals, uint32(8083))
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c.Assert(updatedService.Spec.EndpointSpec.Ports[0].PublishedPort, check.Equals, uint32(8082))
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesEmptyList(c *check.C) {
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d := s.AddDaemon(c, true, true)
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services := d.ListServices(c)
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c.Assert(services, checker.NotNil)
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c.Assert(len(services), checker.Equals, 0, check.Commentf("services: %#v", services))
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesCreate(c *check.C) {
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d := s.AddDaemon(c, true, true)
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instances := 2
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id := d.CreateService(c, simpleTestService, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, instances)
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service := d.GetService(c, id)
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instances = 5
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d.UpdateService(c, service, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, instances)
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d.RemoveService(c, service.ID)
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waitAndAssert(c, defaultReconciliationTimeout, d.CheckActiveContainerCount, checker.Equals, 0)
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesMultipleAgents(c *check.C) {
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, false)
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d3 := s.AddDaemon(c, true, false)
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time.Sleep(1 * time.Second) // make sure all daemons are ready to accept tasks
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instances := 9
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id := d1.CreateService(c, simpleTestService, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, d1.CheckActiveContainerCount, checker.GreaterThan, 0)
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waitAndAssert(c, defaultReconciliationTimeout, d2.CheckActiveContainerCount, checker.GreaterThan, 0)
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waitAndAssert(c, defaultReconciliationTimeout, d3.CheckActiveContainerCount, checker.GreaterThan, 0)
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
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// reconciliation on d2 node down
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d2.Stop(c)
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
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// test downscaling
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instances = 5
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d1.UpdateService(c, d1.GetService(c, id), setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesCreateGlobal(c *check.C) {
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, false)
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d3 := s.AddDaemon(c, true, false)
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d1.CreateService(c, simpleTestService, setGlobalMode)
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waitAndAssert(c, defaultReconciliationTimeout, d1.CheckActiveContainerCount, checker.Equals, 1)
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waitAndAssert(c, defaultReconciliationTimeout, d2.CheckActiveContainerCount, checker.Equals, 1)
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waitAndAssert(c, defaultReconciliationTimeout, d3.CheckActiveContainerCount, checker.Equals, 1)
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d4 := s.AddDaemon(c, true, false)
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d5 := s.AddDaemon(c, true, false)
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waitAndAssert(c, defaultReconciliationTimeout, d4.CheckActiveContainerCount, checker.Equals, 1)
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waitAndAssert(c, defaultReconciliationTimeout, d5.CheckActiveContainerCount, checker.Equals, 1)
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesUpdate(c *check.C) {
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const nodeCount = 3
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var daemons [nodeCount]*daemon.Swarm
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for i := 0; i < nodeCount; i++ {
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daemons[i] = s.AddDaemon(c, true, i == 0)
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}
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// wait for nodes ready
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waitAndAssert(c, 5*time.Second, daemons[0].CheckNodeReadyCount, checker.Equals, nodeCount)
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// service image at start
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image1 := "busybox:latest"
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// target image in update
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image2 := "busybox:test"
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// create a different tag
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for _, d := range daemons {
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out, err := d.Cmd("tag", image1, image2)
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c.Assert(err, checker.IsNil, check.Commentf(out))
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}
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// create service
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instances := 5
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parallelism := 2
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id := daemons[0].CreateService(c, serviceForUpdate, setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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// issue service update
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service := daemons[0].GetService(c, id)
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daemons[0].UpdateService(c, service, setImage(image2))
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// first batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances - parallelism, image2: parallelism})
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// 2nd batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances - 2*parallelism, image2: 2 * parallelism})
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// 3nd batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image2: instances})
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// Roll back to the previous version. This uses the CLI because
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// rollback is a client-side operation.
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out, err := daemons[0].Cmd("service", "update", "--rollback", id)
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c.Assert(err, checker.IsNil, check.Commentf(out))
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// first batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image2: instances - parallelism, image1: parallelism})
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// 2nd batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image2: instances - 2*parallelism, image1: 2 * parallelism})
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// 3nd batch
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesFailedUpdate(c *check.C) {
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const nodeCount = 3
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var daemons [nodeCount]*daemon.Swarm
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for i := 0; i < nodeCount; i++ {
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daemons[i] = s.AddDaemon(c, true, i == 0)
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}
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// wait for nodes ready
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waitAndAssert(c, 5*time.Second, daemons[0].CheckNodeReadyCount, checker.Equals, nodeCount)
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// service image at start
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image1 := "busybox:latest"
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// target image in update
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image2 := "busybox:badtag"
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// create service
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instances := 5
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id := daemons[0].CreateService(c, serviceForUpdate, setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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// issue service update
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service := daemons[0].GetService(c, id)
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daemons[0].UpdateService(c, service, setImage(image2), setFailureAction(swarm.UpdateFailureActionPause), setMaxFailureRatio(0.25), setParallelism(1))
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// should update 2 tasks and then pause
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceUpdateState(id), checker.Equals, swarm.UpdateStatePaused)
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v, _ := daemons[0].CheckServiceRunningTasks(id)(c)
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c.Assert(v, checker.Equals, instances-2)
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// Roll back to the previous version. This uses the CLI because
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// rollback is a client-side operation.
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out, err := daemons[0].Cmd("service", "update", "--rollback", id)
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c.Assert(err, checker.IsNil, check.Commentf(out))
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckRunningTaskImages, checker.DeepEquals,
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map[string]int{image1: instances})
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}
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func (s *DockerSwarmSuite) TestAPISwarmServiceConstraintRole(c *check.C) {
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const nodeCount = 3
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var daemons [nodeCount]*daemon.Swarm
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for i := 0; i < nodeCount; i++ {
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daemons[i] = s.AddDaemon(c, true, i == 0)
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}
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// wait for nodes ready
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waitAndAssert(c, 5*time.Second, daemons[0].CheckNodeReadyCount, checker.Equals, nodeCount)
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// create service
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constraints := []string{"node.role==worker"}
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instances := 3
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id := daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
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// validate tasks are running on worker nodes
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tasks := daemons[0].GetServiceTasks(c, id)
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for _, task := range tasks {
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node := daemons[0].GetNode(c, task.NodeID)
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c.Assert(node.Spec.Role, checker.Equals, swarm.NodeRoleWorker)
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}
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//remove service
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daemons[0].RemoveService(c, id)
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// create service
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constraints = []string{"node.role!=worker"}
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id = daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
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tasks = daemons[0].GetServiceTasks(c, id)
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// validate tasks are running on manager nodes
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for _, task := range tasks {
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node := daemons[0].GetNode(c, task.NodeID)
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c.Assert(node.Spec.Role, checker.Equals, swarm.NodeRoleManager)
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}
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//remove service
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daemons[0].RemoveService(c, id)
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// create service
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constraints = []string{"node.role==nosuchrole"}
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id = daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks created
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceTasks(id), checker.Equals, instances)
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// let scheduler try
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time.Sleep(250 * time.Millisecond)
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// validate tasks are not assigned to any node
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tasks = daemons[0].GetServiceTasks(c, id)
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for _, task := range tasks {
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c.Assert(task.NodeID, checker.Equals, "")
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}
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}
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func (s *DockerSwarmSuite) TestAPISwarmServiceConstraintLabel(c *check.C) {
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const nodeCount = 3
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var daemons [nodeCount]*daemon.Swarm
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for i := 0; i < nodeCount; i++ {
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daemons[i] = s.AddDaemon(c, true, i == 0)
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}
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// wait for nodes ready
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waitAndAssert(c, 5*time.Second, daemons[0].CheckNodeReadyCount, checker.Equals, nodeCount)
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nodes := daemons[0].ListNodes(c)
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c.Assert(len(nodes), checker.Equals, nodeCount)
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// add labels to nodes
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daemons[0].UpdateNode(c, nodes[0].ID, func(n *swarm.Node) {
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n.Spec.Annotations.Labels = map[string]string{
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"security": "high",
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}
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})
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for i := 1; i < nodeCount; i++ {
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daemons[0].UpdateNode(c, nodes[i].ID, func(n *swarm.Node) {
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n.Spec.Annotations.Labels = map[string]string{
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"security": "low",
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}
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})
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}
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// create service
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instances := 3
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constraints := []string{"node.labels.security==high"}
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id := daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
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tasks := daemons[0].GetServiceTasks(c, id)
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// validate all tasks are running on nodes[0]
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for _, task := range tasks {
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c.Assert(task.NodeID, checker.Equals, nodes[0].ID)
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}
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//remove service
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daemons[0].RemoveService(c, id)
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// create service
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constraints = []string{"node.labels.security!=high"}
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id = daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
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tasks = daemons[0].GetServiceTasks(c, id)
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// validate all tasks are NOT running on nodes[0]
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for _, task := range tasks {
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c.Assert(task.NodeID, checker.Not(checker.Equals), nodes[0].ID)
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}
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//remove service
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daemons[0].RemoveService(c, id)
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constraints = []string{"node.labels.security==medium"}
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id = daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks created
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceTasks(id), checker.Equals, instances)
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// let scheduler try
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time.Sleep(250 * time.Millisecond)
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tasks = daemons[0].GetServiceTasks(c, id)
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// validate tasks are not assigned
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for _, task := range tasks {
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c.Assert(task.NodeID, checker.Equals, "")
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}
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//remove service
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daemons[0].RemoveService(c, id)
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// multiple constraints
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constraints = []string{
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"node.labels.security==high",
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fmt.Sprintf("node.id==%s", nodes[1].ID),
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}
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id = daemons[0].CreateService(c, simpleTestService, setConstraints(constraints), setInstances(instances))
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// wait for tasks created
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceTasks(id), checker.Equals, instances)
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// let scheduler try
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time.Sleep(250 * time.Millisecond)
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tasks = daemons[0].GetServiceTasks(c, id)
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// validate tasks are not assigned
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for _, task := range tasks {
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c.Assert(task.NodeID, checker.Equals, "")
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}
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// make nodes[1] fulfills the constraints
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daemons[0].UpdateNode(c, nodes[1].ID, func(n *swarm.Node) {
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n.Spec.Annotations.Labels = map[string]string{
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"security": "high",
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}
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})
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// wait for tasks ready
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waitAndAssert(c, defaultReconciliationTimeout, daemons[0].CheckServiceRunningTasks(id), checker.Equals, instances)
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tasks = daemons[0].GetServiceTasks(c, id)
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for _, task := range tasks {
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c.Assert(task.NodeID, checker.Equals, nodes[1].ID)
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}
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}
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func (s *DockerSwarmSuite) TestAPISwarmServicesStateReporting(c *check.C) {
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testRequires(c, SameHostDaemon)
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testRequires(c, DaemonIsLinux)
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, true)
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d3 := s.AddDaemon(c, true, false)
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time.Sleep(1 * time.Second) // make sure all daemons are ready to accept
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instances := 9
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d1.CreateService(c, simpleTestService, setInstances(instances))
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
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getContainers := func() map[string]*daemon.Swarm {
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m := make(map[string]*daemon.Swarm)
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for _, d := range []*daemon.Swarm{d1, d2, d3} {
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for _, id := range d.ActiveContainers() {
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m[id] = d
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}
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}
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return m
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}
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containers := getContainers()
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c.Assert(containers, checker.HasLen, instances)
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var toRemove string
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for i := range containers {
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toRemove = i
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}
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_, err := containers[toRemove].Cmd("stop", toRemove)
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c.Assert(err, checker.IsNil)
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
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containers2 := getContainers()
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c.Assert(containers2, checker.HasLen, instances)
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for i := range containers {
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if i == toRemove {
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c.Assert(containers2[i], checker.IsNil)
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} else {
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c.Assert(containers2[i], checker.NotNil)
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}
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}
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containers = containers2
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for i := range containers {
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toRemove = i
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}
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// try with killing process outside of docker
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pidStr, err := containers[toRemove].Cmd("inspect", "-f", "{{.State.Pid}}", toRemove)
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c.Assert(err, checker.IsNil)
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pid, err := strconv.Atoi(strings.TrimSpace(pidStr))
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c.Assert(err, checker.IsNil)
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c.Assert(syscall.Kill(pid, syscall.SIGKILL), checker.IsNil)
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time.Sleep(time.Second) // give some time to handle the signal
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waitAndAssert(c, defaultReconciliationTimeout, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount, d3.CheckActiveContainerCount), checker.Equals, instances)
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|
|
containers2 = getContainers()
|
|
c.Assert(containers2, checker.HasLen, instances)
|
|
for i := range containers {
|
|
if i == toRemove {
|
|
c.Assert(containers2[i], checker.IsNil)
|
|
} else {
|
|
c.Assert(containers2[i], checker.NotNil)
|
|
}
|
|
}
|
|
}
|